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# Geometry question

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Intern
Joined: 15 Sep 2007
Posts: 26

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12 Oct 2007, 19:10
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Plz see below
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Director
Joined: 03 May 2007
Posts: 872
Schools: University of Chicago, Wharton School

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12 Oct 2007, 21:11
Is not it 60? I got all sides equal.
Intern
Joined: 15 Sep 2007
Posts: 26

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12 Oct 2007, 21:23
Fistail wrote:
Is not it 60? I got all sides equal.

Yes OA is (C) but I had answered 90 degrees. I just can't understand how it'll be 60..can you plz explain ? thanks.
Director
Joined: 03 May 2007
Posts: 872
Schools: University of Chicago, Wharton School

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12 Oct 2007, 21:27
coldweather999 wrote:
Fistail wrote:
Is not it 60? I got all sides equal.

Yes OA is (C) but I had answered 90 degrees. I just can't understand how it'll be 60..can you plz explain ? thanks.

make a triangle by drawing lines first between B and E, then E and G and finally between B and G. these lines are diagnals of all equal squares. so they are equal. They make an equilateral triangle. so an angle is 60.
VP
Joined: 08 Jun 2005
Posts: 1145

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12 Oct 2007, 22:47
Fistail wrote:
coldweather999 wrote:
Fistail wrote:
Is not it 60? I got all sides equal.

Yes OA is (C) but I had answered 90 degrees. I just can't understand how it'll be 60..can you plz explain ? thanks.

make a triangle by drawing lines first between B and E, then E and G and finally between B and G. these lines are diagnals of all equal squares. so they are equal. They make an equilateral triangle. so an angle is 60.

Perfect !

Re: Geometry question   [#permalink] 12 Oct 2007, 22:47
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